package com.kxf.androidtestdemo.activity;

import static com.arthenica.mobileffmpeg.Config.RETURN_CODE_CANCEL;
import static com.arthenica.mobileffmpeg.Config.RETURN_CODE_SUCCESS;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.widget.TextView;

import com.arthenica.mobileffmpeg.Config;
import com.arthenica.mobileffmpeg.ExecuteCallback;
import com.arthenica.mobileffmpeg.FFmpeg;
import com.arthenica.mobileffmpeg.Statistics;
import com.arthenica.mobileffmpeg.StatisticsCallback;
import com.kxf.androidtestdemo.R;

import java.io.File;

public class FFmpegActivity extends BaseActivity {

    private TextView tv_info;
    private StringBuffer sb = new StringBuffer();
    private int videoLength = -1;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_ffmpeg);

        tv_info = findViewById(R.id.tv_info);
        Config.enableStatisticsCallback(new StatisticsCallback() {
            public void apply(Statistics newStatistics) {
                showInfo(String.format("enableStatisticsCallback frame: %d, time: %d, size: %d",
                        newStatistics.getVideoFrameNumber(), newStatistics.getTime(), newStatistics.getSize()));
                showInfo(String.format("当前进度：%.2f", newStatistics.getTime() * 100.0 / videoLength) + "%");
            }
        });
    }

    public void onClickInit(View view) {
        Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
        //intent.setType(“image/*”);//选择图片
        //intent.setType(“audio/*”); //选择音频
        //intent.setType(“video/*”); //选择视频 （mp4 3gp 是android支持的视频格式）
        //intent.setType(“video/*;image/*”);//同时选择视频和图片
        intent.setType("*/*");//无类型限制
        intent.addCategory(Intent.CATEGORY_OPENABLE);
        startActivityForResult(intent, 1);
    }

    private void mini(String path) {
        File file = new File(path);
        String path2 = file.getParentFile().getAbsolutePath() + File.separator + file.getName().replace(".", "-" + System.currentTimeMillis() + ".");
        String command = String.format("-i %s -c:v mpeg4 %s", path, path2);
        showInfo("mini command=" + command);
        videoLength = MediaPlayer.create(this, Uri.fromFile(file)).getDuration();
        showInfo("mini videoLength=" + videoLength);
        long executionId = FFmpeg.executeAsync(command, new ExecuteCallback() {

            @Override
            public void apply(final long executionId, final int returnCode) {
                if (returnCode == RETURN_CODE_SUCCESS) {
                    showInfo("Async command execution completed successfully.path2=" + path2);
                } else if (returnCode == RETURN_CODE_CANCEL) {
                    showInfo("Async command execution cancelled by user.");
                } else {
                    showInfo(String.format("Async command execution failed with returnCode=%d.", returnCode));
                }
            }
        });
    }

    private void showInfo(String info) {
        Log.d(tag, info);
        sb.append(info + "\n");
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                tv_info.setText(sb.toString());
            }
        });
    }


    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == Activity.RESULT_OK) {
            Uri uri = data.getData();
            String path;
            if ("file".equalsIgnoreCase(uri.getScheme())) {//使用第三方应用打开
                path = uri.getPath();
            } else {
                if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) {//4.4以后
                    path = getPath(this, uri);
                } else {//4.4以下下系统调用方法
                    path = getRealPathFromURI(uri);
                }
            }
            Log.d(tag, "ACTION_GET_CONTENT path=" + path);
            mini(path);
        }
    }

    public String getRealPathFromURI(Uri contentUri) {
        String res = null;
        String[] proj = {MediaStore.Images.Media.DATA};
        Cursor cursor = getContentResolver().query(contentUri, proj, null, null, null);
        if (null != cursor && cursor.moveToFirst()) {
            ;
            int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
            res = cursor.getString(column_index);
            cursor.close();
        }
        return res;
    }

    /**
     * 专为Android4.4设计的从Uri获取文件绝对路径，以前的方法已不好使
     */
    @SuppressLint("NewApi")
    public String getPath(final Context context, final Uri uri) {

        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;

        // DocumentProvider
        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
            // ExternalStorageProvider
            if (isExternalStorageDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                if ("primary".equalsIgnoreCase(type)) {
                    return Environment.getExternalStorageDirectory() + "/" + split[1];
                }
            }
            // DownloadsProvider
            else if (isDownloadsDocument(uri)) {

                final String id = DocumentsContract.getDocumentId(uri);
                final Uri contentUri = ContentUris.withAppendedId(
                        Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));

                return getDataColumn(context, contentUri, null, null);
            }
            // MediaProvider
            else if (isMediaDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                Uri contentUri = null;
                if ("image".equals(type)) {
                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
                } else if ("video".equals(type)) {
                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
                } else if ("audio".equals(type)) {
                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
                }

                final String selection = "_id=?";
                final String[] selectionArgs = new String[]{split[1]};

                return getDataColumn(context, contentUri, selection, selectionArgs);
            }
        }
        // MediaStore (and general)
        else if ("content".equalsIgnoreCase(uri.getScheme())) {
            return getDataColumn(context, uri, null, null);
        }
        // File
        else if ("file".equalsIgnoreCase(uri.getScheme())) {
            return uri.getPath();
        }
        return null;
    }

    /**
     * Get the value of the data column for this Uri. This is useful for
     * MediaStore Uris, and other file-based ContentProviders.
     *
     * @param context       The context.
     * @param uri           The Uri to query.
     * @param selection     (Optional) Filter used in the query.
     * @param selectionArgs (Optional) Selection arguments used in the query.
     * @return The value of the _data column, which is typically a file path.
     */
    public String getDataColumn(Context context, Uri uri, String selection,
                                String[] selectionArgs) {

        Cursor cursor = null;
        final String column = "_data";
        final String[] projection = {column};

        try {
            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,
                    null);
            if (cursor != null && cursor.moveToFirst()) {
                final int column_index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(column_index);
            }
        } finally {
            if (cursor != null)
                cursor.close();
        }
        return null;
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is ExternalStorageProvider.
     */
    public boolean isExternalStorageDocument(Uri uri) {
        return "com.android.externalstorage.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is DownloadsProvider.
     */
    public boolean isDownloadsDocument(Uri uri) {
        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is MediaProvider.
     */
    public boolean isMediaDocument(Uri uri) {
        return "com.android.providers.media.documents".equals(uri.getAuthority());
    }
}